tag:blogger.com,1999:blog-339674021059852550.post4394990904435426633..comments2022-04-10T12:26:41.799+07:00Comments on MFC: Jupiter 9 85/2 M39Unknownnoreply@blogger.comBlogger2125tag:blogger.com,1999:blog-339674021059852550.post-20888464084857762202015-04-29T11:13:59.151+07:002015-04-29T11:13:59.151+07:00Hi, thanks for reply...original M42 mount lens sho...Hi, thanks for reply...original M42 mount lens should be achieve infinity easily. Your case could be bad copy which is common for Russian lenses.or someone made mistake with it beforeiazahttps://www.blogger.com/profile/02404400038447557966noreply@blogger.comtag:blogger.com,1999:blog-339674021059852550.post-12496027172878524822015-04-19T01:33:38.652+07:002015-04-19T01:33:38.652+07:00hey , i have a mc-jupiter-9 2/85mm m42-mount and ...hey , i have a mc-jupiter-9 2/85mm m42-mount and couldnt focus infinity too , not on m42-camera nor on adapter to fuji-x m1 . i had some experiments with it otherwise , i putted oil to the aperture blades (plastics) , that brought some extra friction to it , so this caused pretty chaos in the blades . aperture mechanism is exchanged to a black paper with hole in now.<br />so i didnt bother to take the whole thing into pieces , after pulling whole aperture rings off i was able to get to the focus mechanism , screwing it apart , i saw 2 small aluminum rings subtracted aprox 3 mm distance off the focus-range. i took them off , put whole thing together without rings again , and now it perfectly focusses to infinity . its a worthy lens now .<br />i dont know why this was made , but it is a clear nastiness in my eyes .Anonymousnoreply@blogger.com